CVE-2025-0696 — MEDIUM (5.3)

Vulnerability Description

A NULL Pointer Dereference vulnerability in Cesanta Frozen versions less than 1.7 allows an attacker to induce a crash of the component embedding the library by supplying a maliciously crafted JSON as input.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-476

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-0696

FAQ

What is CVE-2025-0696?

CVE-2025-0696 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A NULL Pointer Dereference vulnerability in Cesanta Frozen versions less than 1.7 allows an attacker to induce a crash of the component embedding the library by supplying a maliciously crafted JSON as...

How severe is CVE-2025-0696?

CVE-2025-0696 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-0696?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.